i read nick gillespie's article today. did not a chance to read yours. i know there's evidence that some of the violence is coming down. but i want to ask you about an issue. the intersection of mental illness and guns, what we know, asperger's syndrome, autism, this guy, this kid was definitely mentally ill. he definitely had severe problems. his mother, by the same token, a survivalist, world is coming to an end, she may have contributed to all this. you're supposed to register state by state on any signs at all regarding mental illness as a disqualification for gun purchase and registration. but it doesn't happen, brian. why is that? >> one of the main reasons is that, of course, the thing that marks us as saying lanza was obviously an unhinged lunatic is the horrible crime that he committed. and for the most part -- first of all, you need to understand that the connection is not as tight as i think you're implying. hardly anyone adjudicated or thought mentally ill is ever going to harm anyone. in the case of loughner and with the aurora theater shoot